/*
 * str_cat.c - 拼接两个字符
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SIZE 80
char * s_gets(char * st, int n);
int main(void)
{
    char flower[SIZE];
    char addon[] = "s smell like old shoes.";
    puts("What is your favorite flower?");
    if (s_gets(flower, SIZE)) {
        strcat(flower, addon);
        puts(flower);
        puts(addon);
    } else {
        puts("End of file encountered!");
    }
    puts("bye");
    return 0;
}

char * s_gets(char * st, int n)
{
    char * ret_val;
    int i = 0;
    ret_val = fgets(st, n, stdin);
    if(ret_val)
    {
        while(st[i] != '\n' && st[i] != '\0')
        {
            i++;
        }
        if(st[i] == '\n') 
        {
            st[i] = '\0';
        } else {
            while(getchar() != '\n') {
                continue;
            }
        }
    }
    return ret_val;
}



